Subtract 7/8 from 72/98
72/98 - 7/8 is -55/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
72/98 = 72 × 4/98 × 4 = 288/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
7/8 = 7 × 49/8 × 49 = 343/392 - Subtract the two like fractions:
288/392 - 343/392 = 288 - 343/392 = -55/392
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